Increased lactation in females due to the use of probiotic-based feed additives

Q3 Economics, Econometrics and Finance

Naukovi gorizonti Pub Date : 2023-08-20 DOI:10.48077/scihor10.2023.09

Oksana Shkromada, Victoria Hrek, Oleksii Fotin, Roman Hrek, Valentina Rud

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Abstract

The transition of females from childbirth to lactation is a physiologically complex period characterised by metabolic, endocrine and immunological changes. In addition, difficult labour drains the female and can lead to hypolactia. The purpose of the study was to determine the effect of probiotics on lactation recovery and metabolic changes in the body of females. Among the methods used are: the determination of lactation level, the physiological method for determining live weight, the biochemical method for blood testing; and the statistical method. The application of Bacillus subtilis AX 20, Bacillus licheniformis EA 22 contributes to an increase in milk productivity in cows on day 7-9 of the study by 12.9%, on day 10-12 – by 15.03%, on day 13-15 – by 13.93%, on day 16-18 – by 13.5% and on day 19-21 – by 21.35% compared to the control. The total protein content in experimental cows increased by 18.92%, globulins – by 37.26 (p≤0.05), compared to the initial indicators. The activity of alanine aminotransferase, urea, and urea nitrogen in animals of the control and experimental groups was within the normal range during the experiment. The application of Bacillus megaterium NCH 55 to sows with hypolactation contributes to lactation recovery in sows. In the experimental group, piglets showed a lag in growth of 18.5% on the third day and 11.39% on the tenth day due to hypolactation. Starting from day 15, there was an increase in the live weight of suckling piglets due to the restoration of lactation in sows by 20.56%, on day 20 – by 20.43%, on day 25 – by 30.56%, on day 30 – by 31.91%, compared to the control. In the blood serum of experimental sows, the content of total protein increased by 10%, globulins – by 19.13%, total cholesterol – by 40.11%, urea by 48.0%, compared to the beginning of studies (p≤0.05). The activity of alanine aminotransferase in the experiment increased by 8.95% (p≤0.05), alkaline phosphatase decreased by 27.46% (p≤0.05), compared to the beginning of the study. In the blood of experimental sows, the level of circulating immune complexes increased by 42.85% and a decrease in seromucoids by 30.43%. The practical value of the study lies in the use of probiotics to restore the milk productivity of cows and sows after childbirth

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由于使用以益生菌为基础的饲料添加剂，雌性的泌乳量增加

女性从分娩到哺乳的过渡是一个生理上复杂的时期，其特点是代谢、内分泌和免疫的变化。此外，难产会使雌性排尿，并可能导致性减退。本研究的目的是确定益生菌对女性泌乳恢复和体内代谢变化的影响。所采用的方法有:测定泌乳水平、测定活重的生理法、测定血液的生化法;以及统计方法。施用枯草芽孢杆菌AX - 20、地衣芽孢杆菌EA - 22可使奶牛产奶量在试验第7-9天、第10-12天、第13-15天、第16-18天、第19-21天分别较对照提高12.9%、15.03%、13.93%、13.5%和21.35%。与初始指标相比，试验奶牛总蛋白质含量提高18.92%，球蛋白含量提高37.26% (p≤0.05)。对照组和试验组动物的丙氨酸转氨酶活性、尿素活性和尿素氮活性均在正常范围内。巨芽孢杆菌nch55应用于低泌乳母猪有助于母猪泌乳恢复。试验组仔猪由于低泌乳，第3天和第10天的生长滞后分别为18.5%和11.39%。从第15天开始，由于母猪恢复泌乳，哺乳仔猪的活重比对照组提高了20.56%，第20天提高了20.43%，第25天提高了30.56%，第30天提高了31.91%。试验母猪血清中总蛋白、球蛋白、总胆固醇和尿素含量分别比试验开始时提高了10%、19.13%、40.11%和48.0% (p≤0.05)。与试验开始相比，试验组谷丙转氨酶活性提高了8.95% (p≤0.05)，碱性磷酸酶活性降低了27.46% (p≤0.05)。试验母猪血液中循环免疫复合物水平升高42.85%，血清样蛋白水平降低30.43%。本研究的实用价值在于利用益生菌恢复奶牛和母猪分娩后的产奶量

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来源期刊

Naukovi gorizonti Economics, Econometrics and Finance-Economics, Econometrics and Finance (miscellaneous)

CiteScore

1.50

自引率

0.00%

发文量

115

审稿时长

4 weeks